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Figure 1 | BMC Cancer

Figure 1

From: Results of concurrent radio-chemotherapy for the treatment of head and neck squamous cell carcinoma in everyday clinical practice with special reference to early mortality

Figure 1

Kaplan-Meier plots of overall-survival estimates. (a) All patients treated with concurrent chemo-radiotherapy at the Head and Neck Cancer Center of the Basel University Hospital. The 95% confidence interval is indicated by dotted lines (b). The patients treated after the year 2000 (n = 72) showed an improved survival rate with a hazard ratio of 0.526 (p = 0.0041) compared to the patients treated before the year 2000 (n = 85).

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